<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			td:empty::after{
				content:"/"
			}
		</style>
	</head>
	<body>
		<table border="" cellspacing="0" cellpadding="0"width = "300"height="100">
			<tr>
				<th>姓名</th>
				<th>二级</th>
				<th>四级</th>
			</tr>
			<tr>
				<td>张三</td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td>李四</td>
				<td></td>
				<td></td>
			</tr>
			<tr>
				<td>王五</td>
				<td></td>
				<td></td>
			</tr>
		</table>
	</body>
</html>
